公开(公告)号：US20150210924A1

公开(公告)日：2015-07-30

申请号：US14681128

申请日：2015-04-08

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Tomohiro TAMURA ,  Yasuhiro NIIKURA ,  Tetsuji ISHITANI ,  Sachiko KAWAKAMI ,  Yuko KAWATA

IPC: C09K19/58 ,  G02F1/1368 ,  G02F1/1343 ,  C09K19/02

CPC classification number: C09K19/588 ,  C07D317/22 ,  C09K19/0275 ,  C09K19/3405 ,  C09K19/54 ,  G02F1/134309 ,  G02F1/1368 ,  Y10T428/10

Abstract: A liquid crystal composition including a dioxolane compound represented by the general formula (G1) as a chiral agent is provided. In the general formula (G1), R1 and R2 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an alkyl group having 1 to 20 carbon atoms and having a phenyl group as a substituent; R1 and R2 may be bonded to each other to form a ring; R3 and R4 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a cycloalkyl group; and R5 to R40 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms.

Abstract translation: 提供了包含由通式（G1）表示的二氧戊环化合物作为手性试剂的液晶组合物。 在通式（G1）中，R 1和R 2分别表示氢，碳原子数1〜6的烷基，碳原子数1〜20的烷氧基，碳原子数6〜12的芳基，烷基 具有1至20个碳原子并具有苯基作为取代基的基团; R1和R2可以彼此键合形成环; R3和R4分别表示氢，碳原子数为1〜6的烷基和环烷基中的任一个， R 5〜R 40分别表示氢，碳原子数1〜4的烷基，碳原子数1〜4的烷氧基，碳原子数6〜12的芳基。

公开(公告)号：US20150038732A1

公开(公告)日：2015-02-05

申请号：US14341862

申请日：2014-07-28

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Momoko KATO ,  Yasuhiro NIIKURA ,  Tetsuji ISHITANI

IPC: C09K19/12 ,  C07C255/54

CPC classification number: C09K19/126 ,  C09K2019/0437 ,  C09K2019/122

Abstract: A novel material for a liquid crystal composition that can be used for various liquid crystal devices is provided. A novel cyanobiphenyl derivative represented by General Formula (G1) is provided. In General Formula (G1), R1 represents a single bond or a substituted or unsubstituted alkylene group having 1 to 6 carbon atoms. Note that in General Formula (G1), R1 may have a substituent. Examples of the substituent are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), a cyano group (CN), a trifluoromethylsulfonyl group (SO2CF3), a trifluoromethyl group (CF3), a nitro group (NO2), an isothiocyanate group (NCS), and a pentafluorosulfanyl group (SF5).

Abstract translation: 提供了可用于各种液晶装置的液晶组合物的新型材料。 提供由通式（G1）表示的新颖的蓝色联苯衍生物。 在通式（G1）中，R 1表示单键或取代或未取代的碳原子数1〜6的亚烷基。 注意，在通式（G1）中，R 1可以具有取代基。 取代基的实例是氟（F），氯（Cl），溴（Br），碘（I），氰基（CN），三氟甲磺酰基（SO 2 CF 3），三氟甲基（CF 3） NO2），异硫氰酸酯基（NCS）和五氟硫烷基（SF5）。

公开(公告)号：US20130155368A1

公开(公告)日：2013-06-20

申请号：US13711940

申请日：2012-12-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yasuhiro NIIKURA ,  Tetsuji Ishitani ,  Tomohiro Tamura

IPC: C09K19/56 ,  G02F1/00

CPC classification number: C09K19/56 ,  C09K19/0275 ,  C09K19/588 ,  G02F1/0045 ,  Y10T428/10

Abstract: A novel liquid crystal composition that can be used for a variety of liquid crystal devices is provided. A stable liquid crystal element that is driven at low voltage and that withstands physical impact is provided with the use of the novel liquid crystal composition. A highly reliable liquid crystal display device with low power consumption and high display quality is provided with the use of the liquid crystal element. The liquid crystal composition exhibits a blue phase and contains nematic liquid crystal, 1,4:3,6-dianhydro-2,5-bis[4-(n-hexyl-1-oxy)benzoic acid]sorbitol (abbreviation: ISO-(6OBA)2) represented by the structural formula (100) as a first chiral agent, and (4R,5R)-4,5-bis[hydroxy-di(phenanthren-9-yl)methyl]-2,2-dimethyl-1,3-dioxolane (abbreviation: R-DOL-Pn) represented by the structural formula (101) as a second chiral agent.

Abstract translation: 提供了可用于各种液晶装置的新型液晶组合物。 通过使用新的液晶组合物，提供了以低电压驱动并且承受物理冲击的稳定的液晶元件。 使用液晶元件提供了具有低功耗和高显示质量的高度可靠的液晶显示装置。 液晶组合物呈现蓝相，含有向列型液晶，1,4：3,6-二脱氢-2,5-双[4-（正己基-1-氧）苯甲酸]山梨醇（缩写：ISO- （100）中的（4R，5R）-4,5-双[羟基 - 二（菲-9-基）甲基] -2,2-二甲基 作为第二手性剂，由结构式（101）表示的1,3-二氧戊环（缩写：R-DOL-Pn）。

公开(公告)号：US20240357929A1

公开(公告)日：2024-10-24

申请号：US18682365

申请日：2022-08-03

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yasuhiro NIIKURA ,  Daisuke KUBOTA ,  Taisuke KAMADA ,  Sachiko KAWAKAMI ,  Anna TADA ,  Satoshi SEO

IPC: H10K85/60 ,  H10K30/40 ,  H10K39/34 ,  H10K101/30

CPC classification number: H10K85/6572 ,  H10K30/40 ,  H10K39/34 ,  H10K85/636 ,  H10K85/6576 ,  H10K2101/30

Abstract: A novel photoelectric conversion device that is highly convenient, useful, or reliable is provided. A photoelectric conversion device (550S) includes a first electrode (551S), a second electrode (552S), and a unit (103S); the unit (103S) is interposed between the first electrode (551S) and the second electrode (552S); the unit (103S) includes a first layer (113) and a second layer (114S); and the first layer (113) is interposed between the second electrode (552S) and the second layer (114S). The first layer (113) contains a first organic compound ETM, the first organic compound ETM has an electron-transport property, and the first organic compound ETM has a LUMO level in a first level LUMO1. The second layer (114S) contains a second organic compound CTM, the second organic compound CTM emits delayed fluorescent light at room temperature, and the second organic compound CTM has a LUMO level in a second level LUMO2. A difference between the second level LUMO2 and the first level LUMO1 is less than or equal to 1.0 eV.

公开(公告)号：US20240260454A1

公开(公告)日：2024-08-01

申请号：US18575952

申请日：2022-06-09

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yasuhiro NIIKURA ,  Daisuke KUBOTA ,  Taisuke KAMADA ,  Sachiko KAWAKAMI ,  Anna TADA ,  Satoshi SEO

IPC: H10K85/60 ,  H10K30/30 ,  H10K39/34

CPC classification number: H10K85/636 ,  H10K85/622 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6576 ,  H10K30/30 ,  H10K39/34 ,  H10K85/615 ,  H10K85/6574

Abstract: A light-receiving device with a novel structure is provided. The provided light-receiving device includes a light-receiving layer between a pair of electrodes. The light-receiving layer includes an active layer. The active layer contains a first organic compound and a second organic compound. An absorption spectrum of the first organic compound has one or more peaks. At least one peak wavelength of the peaks is greater than or equal to 400 nm and less than or equal to 700 nm. The HOMO level of the second organic compound is higher than the HOMO level of the first organic compound. The difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is preferably higher than or equal to 0.2 eV and lower than or equal to 1.5 eV and further preferably higher than or equal to 0.4 eV and lower than or equal to 1.5 eV.

公开(公告)号：US20230329105A1

公开(公告)日：2023-10-12

申请号：US18130684

申请日：2023-04-04

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Satoko NUMATA ,  Harue OSAKA ,  Sachiko KAWAKAMI ,  Takashi SHINGU ,  Anna TADA ,  Yui YOSHIYASU ,  Yasuhiro NIIKURA ,  Eriko AOYAMA ,  Naoaki HASHIMOTO ,  Satoshi SEO

IPC: H10K85/60 ,  H10K85/30

CPC classification number: H10K85/6572 ,  H10K85/633 ,  H10K50/16 ,  H10K85/342 ,  H10K85/6574 ,  H10K85/636

Abstract: An organic semiconductor device that can achieve high resolution and favorable reliability is provided. The organic semiconductor device is one of a plurality of light-emitting devices formed over an insulating layer, which includes a first electrode, a second electrode, and an organic compound layer. The organic compound layer is positioned between the first electrode and the second electrode. The organic compound layer includes a layer containing a first compound. When differential scanning calorimetry is performed on the first compound in such a manner that a cooling step is performed from the state in which the first compound is melted in a first heating step and a second heating step is successively performed, an exothermic peak is not observed in the cooling step and an exothermic peak and a melting point peak are not observed in the second heating step.

公开(公告)号：US20230180491A1

公开(公告)日：2023-06-08

申请号：US17925628

申请日：2021-05-17

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Taisuke KAMADA ,  Yasuhiro NIIKURA ,  Daisuke KUBOTA ,  Ryo HATSUMI ,  Akio YAMASHITA ,  Sachiko KAWAKAMI ,  Satoshi SEO

IPC: H10K39/34 ,  H10K30/81 ,  H10K50/125 ,  G06F9/30

CPC classification number: H10K39/34 ,  H10K30/81 ,  H10K50/125 ,  G06F9/3001

Abstract: A novel optical functional device that is highly convenient, useful, or reliable is provided. The optical functional device includes a light-emitting function, a photoelectric conversion function, a first electrode, a second electrode, and an optical functional layer. The light-emitting function converts electrical energy into first light, the first light has a first emission spectrum, and the first emission spectrum exhibits a maximum peak at a first wavelength. At a second wavelength, the intensity of the first emission spectrum is 80% of the maximum peak. The photoelectric conversion function has a spectral sensitivity characteristic; at a third wavelength, the spectral sensitivity characteristic has a maximum sensitivity within a range of 420 to 720 nm inclusive; and at a fourth wavelength, the sensitivity of the spectral sensitivity characteristic is 80% of the maximum sensitivity. The third wavelength is positioned closer to the second wavelength than to the first wavelength, and the fourth wavelength is positioned closer to the first wavelength than to the third wavelength.

公开(公告)号：US20220393123A1

公开(公告)日：2022-12-08

申请号：US17732790

申请日：2022-04-29

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daisuke KUBOTA ,  Taisuke KAMADA ,  Yasuhiro NIIKURA ,  Sachiko KAWAKAMI ,  Anna TADA ,  Satoshi SEO

IPC: H01L51/42

Abstract: A light-receiving device that is highly convenient, useful, or reliable is provided. The light-receiving device includes a light-receiving layer between a pair of electrodes, the light-receiving layer includes an active layer and a hole-transport layer, the hole-transport layer contains a first organic compound, and the first organic compound is an aromatic monoamine compound or a heteroaromatic monoamine compound having at least one skeleton of biphenylamine, carbazolylamine, dibenzofuranylamine, dibenzothiophenylamine, fluorenylamine, and spirofluorenylamine. Alternatively, the light-receiving device includes a light-receiving layer between a pair of electrodes, the light-receiving layer includes an electron-transport layer and an active layer, the electron-transport layer contains a second organic compound, and the second organic compound includes a triazine ring.

公开(公告)号：US20220376182A1

公开(公告)日：2022-11-24

申请号：US17727158

申请日：2022-04-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Taisuke KAMADA ,  Yasuhiro NIIKURA ,  Ryo HATSUMI ,  Akio YAMASHITA ,  Sachiko KAWAKAMI ,  Anna TADA ,  Satoshi SEO

IPC: H01L51/00 ,  H01L51/50 ,  C07D401/04 ,  C07D401/06 ,  C07F7/22 ,  C07F15/00 ,  C07D519/00 ,  C07D209/82 ,  C07D413/10 ,  C07D403/10 ,  C07D405/04 ,  C07D219/16 ,  C07D221/20 ,  C07D307/91 ,  C07D409/10 ,  C07D333/76

Abstract: To provide a novel photoelectric conversion device that is highly convenient, useful, or reliable. The photoelectric conversion device includes a first electrode, a second electrode, and a first unit. The first unit is located between the first electrode and the second electrode. The first unit contains a first electron-donating material and a first electron-accepting material. The first electron-donating material is a condensed aromatic compound, and the first electron-accepting material has a perylene skeleton and two or more alkyl groups. The alkyl groups each independently have 1 to 13 carbon atoms.

公开(公告)号：US20240114720A1

公开(公告)日：2024-04-04

申请号：US18263908

申请日：2022-01-25

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Ryo HATSUMI ,  Yasuhiro NIIKURA

IPC: H10K59/12 ,  H10K39/34 ,  H10K71/20

CPC classification number: H10K59/1201 ,  H10K39/34 ,  H10K71/231

Abstract: A method of manufacturing a high-resolution display apparatus having a light sensing function is provided. The method for manufacturing a display apparatus includes: a first step of forming a first pixel electrode and a second pixel electrode; a second step of depositing a light-emitting and light-receiving film over the first pixel electrode and the second pixel electrode; a third step of depositing a first sacrificial film covering the light-emitting and light-receiving film; a fourth step of etching the first sacrificial film and the light-emitting and light-receiving film to form a light-emitting and light-receiving layer and a first sacrificial layer over the light-emitting and light-receiving layer and to expose the second pixel electrode; a fifth step of depositing an EL film over the first sacrificial layer and over the second pixel electrode; a sixth step of depositing a second sacrificial film covering the EL film; a seventh step of etching the second sacrificial film and the EL film to form an EL layer and a second sacrificial layer over the EL layer; an eighth step of removing the first sacrificial layer and the second sacrificial layer and exposing the light-emitting and light-receiving layer and the EL layer; and a ninth step of forming a common electrode covering the light-emitting and light-receiving layer and the EL layer.